Well, isn't that just a happy little question! When you stack triangles on top of each other, you'll create a beautiful pyramid shape. Each triangle layer adds to the structure and gives it a sturdy base, just like how each brushstroke adds depth and dimension to a painting. Keep on creating and exploring, my friend!
Square pyramid
The three-dimensional shape consisting of 4 triangles is called a pyramid, or a triangular prism.
duodecahedron is a 3D shape that has 20 triangles as it's base
A tetrahedron (triangular pyramid).
A triangular prism
Square pyramid
Cube
There can be no closed 3D shape with only one square and 3 triangles.
cone
A 3D shape with all triangular faces can be a tetrahedron pyramid.
Tetrahedron.
A tetrahedron has four equilateral triangles as sides
The simplest such shape is PYRAMID.
Yes.
The three-dimensional shape consisting of 4 triangles is called a pyramid, or a triangular prism.
duodecahedron is a 3D shape that has 20 triangles as it's base
A triangular pyramid.